
<ul class="UIAPIPlugin-toc">
	<li><a href="#overview">Overview</a></li>
	<li><a href="#options">Arguments</a></li>
</ul>
<div class="UIAPIPlugin">
<h1>jQuery UI addClass</h1>
<div id="overview">
<h2 class="top-header">Overview</h2>
<div id="overview-main">
<div class="editsection" style="float: right; margin-left: 5px;">[<a
	href="http://docs.jquery.com/action/edit/UI/Effects/addClass?section=1"
	title="Edit section: addClass( class, [duration] )">edit</a>]</div>
<a name="addClass.28_class.2C_.5Bduration.5D_.29"></a>
<h3>addClass( class, <span class="optional">[</span>duration<span
	class="optional">]</span> )</h3>
<p>Adds the specified class to each of the set of matched elements
with an optional transition between the states.</p>
</div>
<div id="overview-dependencies">
<h3>Dependencies</h3>
<ul>
	<li>Effects Core</li>
</ul>
</div>
<div id="overview-example">
<h3>Example</h3>
<div id="overview-example" class="example">
<ul>
	<li><a href="#demo"><span>Demo</span></a></li>
	<li><a href="#source"><span>View Source</span></a></li>
</ul>
<p>
<div id="demo" class="tabs-container" rel="100">Adds the class
'selected' to the matched elements with a one second transition.<br />
</p>
<pre>$(&quot;p&quot;).<a
	href="http://docs.jquery.com/Events/click" title="Events/click">click</a>(function () {
      $(this).<strong class="selflink">addClass</strong>(&quot;selected&quot;, 1000);
    });
</pre>
<p>
</div>
<div id="source" class="tabs-container">
</p>
<pre>&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
  &lt;link type=&quot;text/css&quot; href=&quot;http://jqueryui.com/latest/themes/base/ui.all.css&quot; rel=&quot;stylesheet&quot; /&gt;
  &lt;script type=&quot;text/javascript&quot; src=&quot;http://jqueryui.com/latest/jquery-1.3.2.js&quot;&gt;&lt;/script&gt;
  &lt;script src=&quot;http://ui.jquery.com/latest/ui/effects.core.js&quot;&gt;&lt;/script&gt;
&lt;style type=&quot;text/css&quot;&gt;
  p { cursor: pointer; font-size: 1.2em; }
  .selected { color:red; }
&lt;/style&gt;
  &lt;script type="text/javascript"&gt;
  $(document).ready(function(){
    $(&quot;p&quot;).<a href="http://docs.jquery.com/Events/click"
	title="Events/click">click</a>(function () {
      $(this).<strong class="selflink">addClass</strong>(&quot;selected&quot;, 1000);
    });
  });
  &lt;/script&gt;
&lt;/head&gt;
&lt;body style="font-size:62.5%;"&gt;
  &lt;p&gt;Click me to add a 'selected' class.&lt;/p&gt;
&lt;p&gt;Click me to add a 'selected' class.&lt;/p&gt;
&lt;p&gt;Click me to add a 'selected' class.&lt;/p&gt;
&lt;/body&gt;
&lt;/html&gt;
</pre>
<p>
</div>
</p>
<p>
</div>
</div>
</div>
<div id="options">
<h2 class="top-header">Arguments</h2>
<ul class="options-list">

	<li class="option" id="option-class">
	<div class="option-header">
	<h3 class="option-name"><a href="#option-class">class</a></h3>
	<dl>
		<dt class="option-type-label">Type:</dt>
		<dd class="option-type">String</dd>

	</dl>
	</div>
	<div class="option-description">
	<p>One CSS class to add to the elements.</p>
	</div>
	</li>


	<li class="option" id="option-duration">
	<div class="option-header">
	<h3 class="option-name"><a href="#option-duration">duration</a></h3>
	<dl>
		<dt class="option-type-label">Type:</dt>
		<dd class="option-type">String, Number</dd>

		<dt class="option-optional-label">Optional</dt>

	</dl>
	</div>
	<div class="option-description">
	<p>A string representing one of the three predefined speeds
	("slow", "normal", or "fast") or the number of milliseconds to run the
	animation (e.g. 1000).</p>
	</div>
	</li>

</ul>
</div>
</div>

</p>
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